carbon-components-angular
Version:
Next generation components
111 lines • 13.5 kB
JavaScript
import { ChangeDetectionStrategy, Component, ContentChild, ElementRef, HostBinding, HostListener, Input } from "@angular/core";
import { fromEvent } from "rxjs";
import { PopoverContainer } from "carbon-components-angular/popover";
import { ToggletipButton } from "./toggletip-button.directive";
import * as i0 from "@angular/core";
import * as i1 from "carbon-components-angular/popover";
/**
* Get started with importing the module:
*
* ```typescript
* import { ToggletipModule } from 'carbon-components-angular';
* ```
*
* [See demo](../../?path=/story/components-toggletip--basic)
*/
export class Toggletip extends PopoverContainer {
constructor(hostElement, ngZone, renderer, changeDetectorRef) {
super(hostElement, ngZone, renderer, changeDetectorRef);
this.hostElement = hostElement;
this.ngZone = ngZone;
this.renderer = renderer;
this.changeDetectorRef = changeDetectorRef;
this.id = `tooltip-${Toggletip.toggletipCounter++}`;
this.toggletipClass = true;
this.isOpen = false;
this.documentClick = this.handleFocusOut.bind(this);
this.highContrast = true;
this.dropShadow = false;
}
ngAfterViewInit() {
this.initializeReferences();
// Listen for click events on trigger
this.subscription = fromEvent(this.btn.nativeElement, "click")
.subscribe((event) => {
// Add/Remove event listener based on isOpen to improve performance when there
// are a lot of toggletips
if (this.isOpen) {
document.removeEventListener("click", this.documentClick);
}
else {
document.addEventListener("click", this.documentClick);
}
this.handleExpansion(!this.isOpen, event);
});
// Toggletip is open on initial render, add 'click' event listener to document so users can close
if (this.isOpen) {
document.addEventListener("click", this.documentClick);
}
if (this.btn) {
this.renderer.setAttribute(this.btn.nativeElement, "aria-controls", this.id);
}
}
hostkeys(event) {
if (open && event.key === "Escape") {
event.stopPropagation();
this.handleExpansion(false, event);
}
}
handleFocusOut(event) {
if (!this.hostElement.nativeElement.contains(event.target)) {
this.handleExpansion(false, event);
}
}
ngOnDestroy() {
this.subscription.unsubscribe();
}
handleExpansion(state = false, event) {
this.handleChange(state, event);
if (this.btn) {
this.renderer.setAttribute(this.btn.nativeElement, "aria-expanded", this.isOpen.toString());
}
}
}
Toggletip.toggletipCounter = 0;
Toggletip.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: Toggletip, deps: [{ token: i0.ElementRef }, { token: i0.NgZone }, { token: i0.Renderer2 }, { token: i0.ChangeDetectorRef }], target: i0.ɵɵFactoryTarget.Component });
Toggletip.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "14.3.0", type: Toggletip, selector: "cds-toggletip, ibm-toggletip", inputs: { id: "id", isOpen: "isOpen" }, host: { listeners: { "keyup": "hostkeys($event)" }, properties: { "class.cds--toggletip": "this.toggletipClass", "class.cds--toggletip--open": "this.isOpen" } }, queries: [{ propertyName: "btn", first: true, predicate: ToggletipButton, descendants: true, read: ElementRef }], usesInheritance: true, ngImport: i0, template: `
<ng-content select="[cdsToggletipButton]"></ng-content>
<cds-popover-content [attr.id]="id" aria-live="polite">
<ng-content select="[cdsToggletipContent]"></ng-content>
</cds-popover-content>
`, isInline: true, dependencies: [{ kind: "component", type: i1.PopoverContent, selector: "cds-popover-content, ibm-popover-content" }], changeDetection: i0.ChangeDetectionStrategy.OnPush });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: Toggletip, decorators: [{
type: Component,
args: [{
selector: "cds-toggletip, ibm-toggletip",
changeDetection: ChangeDetectionStrategy.OnPush,
template: `
<ng-content select="[cdsToggletipButton]"></ng-content>
<cds-popover-content [attr.id]="id" aria-live="polite">
<ng-content select="[cdsToggletipContent]"></ng-content>
</cds-popover-content>
`
}]
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i0.NgZone }, { type: i0.Renderer2 }, { type: i0.ChangeDetectorRef }]; }, propDecorators: { id: [{
type: Input
}], toggletipClass: [{
type: HostBinding,
args: ["class.cds--toggletip"]
}], isOpen: [{
type: HostBinding,
args: ["class.cds--toggletip--open"]
}, {
type: Input
}], btn: [{
type: ContentChild,
args: [ToggletipButton, { read: ElementRef }]
}], hostkeys: [{
type: HostListener,
args: ["keyup", ["$event"]]
}] } });
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{\n\tAfterViewInit,\n\tChangeDetectionStrategy,\n\tChangeDetectorRef,\n\tComponent,\n\tContentChild,\n\tElementRef,\n\tHostBinding,\n\tHostListener,\n\tInput,\n\tNgZone,\n\tOnDestroy,\n\tRenderer2\n} from \"@angular/core\";\nimport { fromEvent, Subscription } from \"rxjs\";\nimport { PopoverContainer } from \"carbon-components-angular/popover\";\nimport { ToggletipButton } from \"./toggletip-button.directive\";\n\n/**\n * Get started with importing the module:\n *\n * ```typescript\n * import { ToggletipModule } from 'carbon-components-angular';\n * ```\n *\n * [See demo](../../?path=/story/components-toggletip--basic)\n */\n@Component({\n\tselector: \"cds-toggletip, ibm-toggletip\",\n\tchangeDetection: ChangeDetectionStrategy.OnPush,\n\ttemplate: `\n\t\t<ng-content select=\"[cdsToggletipButton]\"></ng-content>\n\t\t<cds-popover-content [attr.id]=\"id\" aria-live=\"polite\">\n\t\t\t<ng-content select=\"[cdsToggletipContent]\"></ng-content>\n\t\t</cds-popover-content>\n\t`\n})\nexport class Toggletip extends PopoverContainer implements AfterViewInit, OnDestroy {\n\tstatic toggletipCounter = 0;\n\n\t@Input() id = `tooltip-${Toggletip.toggletipCounter++}`;\n\n\t@HostBinding(\"class.cds--toggletip\") toggletipClass = true;\n\t@HostBinding(\"class.cds--toggletip--open\") @Input() isOpen = false;\n\n\t@ContentChild(ToggletipButton, { read: ElementRef }) btn!: ElementRef;\n\n\tdocumentClick = this.handleFocusOut.bind(this);\n\tprivate subscription: Subscription;\n\n\tconstructor(\n\t\tprotected hostElement: ElementRef,\n\t\tprotected ngZone: NgZone,\n\t\tprotected renderer: Renderer2,\n\t\tprotected changeDetectorRef: ChangeDetectorRef\n\t) {\n\t\tsuper(hostElement, ngZone, renderer, changeDetectorRef);\n\t\tthis.highContrast = true;\n\t\tthis.dropShadow = false;\n\t}\n\n\tngAfterViewInit(): void {\n\t\tthis.initializeReferences();\n\n\t\t// Listen for click events on trigger\n\t\tthis.subscription = fromEvent(this.btn.nativeElement, \"click\")\n\t\t\t.subscribe((event: Event) => {\n\t\t\t\t// Add/Remove event listener based on isOpen to improve performance when there\n\t\t\t\t// are a lot of toggletips\n\t\t\t\tif (this.isOpen) {\n\t\t\t\t\tdocument.removeEventListener(\"click\", this.documentClick);\n\t\t\t\t} else {\n\t\t\t\t\tdocument.addEventListener(\"click\", this.documentClick);\n\t\t\t\t}\n\n\t\t\t\tthis.handleExpansion(!this.isOpen, event);\n\t\t\t});\n\n\t\t// Toggletip is open on initial render, add 'click' event listener to document so users can close\n\t\tif (this.isOpen) {\n\t\t\tdocument.addEventListener(\"click\", this.documentClick);\n\t\t}\n\n\t\tif (this.btn) {\n\t\t\tthis.renderer.setAttribute(this.btn.nativeElement, \"aria-controls\", this.id);\n\t\t}\n\t}\n\n\t@HostListener(\"keyup\", [\"$event\"])\n\thostkeys(event: KeyboardEvent) {\n\t\tif (open && event.key === \"Escape\") {\n\t\t\tevent.stopPropagation();\n\t\t\tthis.handleExpansion(false, event);\n\t\t}\n\t}\n\n\thandleFocusOut(event) {\n\t\tif (!this.hostElement.nativeElement.contains(event.target)) {\n\t\t\tthis.handleExpansion(false, event);\n\t\t}\n\t}\n\n\tngOnDestroy(): void {\n\t\tthis.subscription.unsubscribe();\n\t}\n\n\tprivate handleExpansion(state = false, event: Event) {\n\t\tthis.handleChange(state, event);\n\t\tif (this.btn) {\n\t\t\tthis.renderer.setAttribute(this.btn.nativeElement, \"aria-expanded\", this.isOpen.toString());\n\t\t}\n\t}\n}\n"]}